The subtitle appeared, but the toddler hadn't spoken. He couldn't speak; he was too young. But the subtitle was there, superimposed over his chest.
Open video in VLC, jump to 01:43:04 (Ctrl+T, enter 01:43:04). Play subtitle around that mark.
The video continued. The room in the footage began to darken, the floral wallpaper seeming to rot and peel away in fast motion. The toddler remained pristine, unchanged by the decay around him.